package com.atguigu.gulimall.ware.listener;

import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.to.mq.OrderTo;
import com.atguigu.common.to.mq.StockDetailTo;
import com.atguigu.common.to.mq.StockLockedTo;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.ware.entity.WareOrderTaskDetailEntity;
import com.atguigu.gulimall.ware.entity.WareOrderTaskEntity;
import com.atguigu.gulimall.ware.service.WareSkuService;
import com.atguigu.gulimall.ware.vo.OrderVo;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;

/**
 * @Author: WackyBoy
 * @Date: 2021/7/17 14:19
 */
@Service
@RabbitListener(queues = "stock.release.stock.queue")
public class StockReleaseListener {

    @Autowired
    WareSkuService wareSkuService;

    /**
     * 1. 库存自动解锁
     *   2) 下订单成功, 库存锁定成功, 接下来的业务调用失败, 导致订单回滚, 之前锁定的库存就要回滚, 自动解锁
     *
     * 2. 订单失败
     *      锁库存失败
     *
     * 只要解锁库存的消息失败, u一定要告诉服务器解锁失败
     * @param to
     * @param message
     */
    @RabbitHandler
    public void handlerStockLockedRelease(StockLockedTo to, Message message, Channel channel) throws IOException {

        System.out.println("收到解锁库存的消息");
        try {
            wareSkuService.unlockStock(to);
            channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
        }catch (Exception e) {
            channel.basicReject(message.getMessageProperties().getDeliveryTag(), true);
        }

    }

    @RabbitHandler
    public void handlerOrderCloseRelease(OrderTo orderTo, Message message, Channel channel) throws IOException {

        System.out.println("订单关闭准备解锁库存");
        try {
            wareSkuService.unlockStock(orderTo);
            channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
        } catch (Exception e) {
            channel.basicReject(message.getMessageProperties().getDeliveryTag(), true);
        }

    }



}
